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A tool used for creating holes in surfaces, such as for mounting objects on walls.

1 vote

Can I use old bits for a hand-powered drill in a power drill?

If they are HSS quality bits they would still be usable. Try by first drilling into wood. Then use a drop of oil and try on an aluminum block. Old bits are of great help with wood and plastics. Rare …
Pramila Koparkar's user avatar